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Fedora 43 tbtools CVE-2026-25537 Denial of Service Advisory

fedora
Calendar Grey February 10, 2026
Dist Fedora Esm H88
An important advisory for Fedora 43 regarding tbtools includes updates and critical security fixes for various crates.
Update the time crate to version 0.3.47

Summary

This is a collection of tools for Linux Thunderbolt/USB4 development, debugging

and validation but may be useful to others as well.

Update Information:

Update the time crate to version 0.3.47. Update the time-macros crate to version 0.2.27. Update the time-core crate to version 0.1.8. Update the num-conv crate to version 0.2.0. Update the git2 crate to version 0.20.4. Update the bytes crate to version 1.11.1. Additionally, this update contains rebuilds of applications affected by security advisories: bytes: RUSTSEC-2026-0007 git2: RUSTSEC-2026-0008 jsonwebtoken: CVE-2026-25537 time: RUSTSEC-2026-0009 All applications that statically link libgit2 via the git2 Rust bindings were also rebuilt against the latest version of the git2 / libgit2-sys crates to pull in fixes included in libgit2 between v1.8.1 and v1.9.2.

Topics%20covered

Topics Covered

security advisory denial of service fedora authorization bypass stack exhaustion tbtools

Change Log

* Sun Feb 8 2026 Alexander F. Lent - 0.7.0-2 - Rebuild for RUSTSEC-2026-0009 (dep on rust-time)

References


[ 1 ] Bug #2437470 - CVE-2026-25537 rust-jsonwebtoken: jsonwebtoken has Type Confusion that leads to potential authorization bypass [fedora-43] https://bugzilla.redhat.com/show_bug.cgi?id=2437470 [ 2 ] Bug #2437472 - CVE-2026-25537 uv: jsonwebtoken has Type Confusion that leads to potential authorization bypass [fedora-43] https://bugzilla.redhat.com/show_bug.cgi?id=2437472 [ 3 ] Bug #2438104 - CVE-2026-25727 atuin: time affected by a stack exhaustion denial of service attack [fedora-43] https://bugzilla.redhat.com/show_bug.cgi?id=2438104 [ 4 ] Bug #2438135 - CVE-2026-25727 keylime-agent-rust: time affected by a stack exhaustion denial of service attack [fedora-43] https://bugzilla.redhat.com/show_bug.cgi?id=2438135 [ 5 ] Bug #2438138 - CVE-2026-25727 maturin: time affected by a stack exhaustion denial of service attack [fedora-43] https://bugzilla.redhat.com/show_bug.cgi?id=2438138 [ 6 ] Bug #2438149 - CVE-2026-25727 rus...

Read the Full Advisory

Update Instructions

This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2026-f400579a21' at the command line. For more information, refer to the dnf documentation available at http://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label

Severity
important
Lowest
Low
Medium
High
Critical

Name: tbtools
Product: Fedora 43
Version: 0.7.0
Release: 2.fc43
URL: https://github.com/intel/tbtools
Summary: Thunderbolt/USB4 debugging tools

Topics%20covered

Topics Covered

security advisory denial of service fedora authorization bypass stack exhaustion tbtools

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